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Condensed Consolidated Statements Of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2017
Feb. 29, 2016
Feb. 28, 2017
Feb. 29, 2016
Condensed Consolidated Statements Of Comprehensive Income [Abstract]        
Net earnings (loss) $ 5,012 $ (4,129) $ 5,885 $ 2,815
Other comprehensive income (loss):        
Defined benefit pension plan adjustment, net of tax 38 33 75 38
Unrealized loss on cash flow hedges, net of tax   (76)   (76)
Foreign currency translation adjustment, net of hedging activities and tax 1,947 (507) 513 (2,073)
Total other comprehensive income (loss), net of tax expense (benefit) of $87, ($253), $653, and $391, respectively 1,985 (550) 588 (2,111)
Total comprehensive income (loss) $ 6,997 $ (4,679) $ 6,473 $ 704